FELLIG J
Science. 1960 Mar 18;131(3403):832. doi: 10.1126/science.131.3403.832.
An enzyme in extracts of the protistan Euglena gracilis splits the polysaccharide laminarin (beta-1:3-glucosan). Its optimal pH is 5.0, and it is activated by Mn(++) ions.
原生生物纤细裸藻提取物中的一种酶可分解多糖海带多糖(β-1:3-葡聚糖)。其最适pH值为5.0,且被Mn(++)离子激活。